condition mean min max 4 h after light 5.154576666666666 5.00019 5.31102 8 h after light 5.146166666666667 5.08335 5.20193 12 h after light 5.128299999999999 4.96256 5.4088199999999995 4 h after dark 5.115083333333334 5.08171 5.1458900000000005 8 h after dark 5.1398399999999995 4.87956 5.35545 12 h after dark 5.14247 4.99351 5.3205800000000005